SWAN EGGS FOR SALE CAN BE FUN FOR ANYONE

I'm no professional on swans. I alternatively are convinced an evening-time predator filched the eggs. I've read people today say that their birds( chickens, geese, whatever) clear away infertile or nonviable eggs from their nest. In 40 decades I have never had a chicken take out their unique egg/s from your nest other than unintentionally. Eggs l